Iva (plant)

Iva is a genus of wind-pollinated plants in the family Asteraceae, described as a genus by Linnaeus in 1753.^[2][3] Plants of this genus are known generally as marsh elders.^[4] The genus is native to North America.^[5]

Accepted species^[6][7]

• Iva angustifolia - southeastern + south-central United States (Texas Oklahoma Louisiana Arkansas Kansas Florida)
• Iva annua - United States, primarily south-central region; Tamaulipas
• Iva asperifolia - south-central United States (Texas Oklahoma Louisiana Arkansas Kansas Indiana), Veracruz
• Iva axillaris - western United States + Canada
• Iva cheiranthifolia - Cuba
• Iva corbinii B.L. Turner - Texas^[8]
• Iva dealbata - United States (Texas New Mexico), Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí)^[9]
• Iva frutescens - coastal areas from Texas to Nova Scotia
• Iva hayesiana - California, Baja California
• Iva imbricata - coastal areas from Texas to Virginia; Bahamas^[10]
• Iva microcephala - southeastern United States (Alabama Florida Georgia North Carolina South Carolina)
• Iva xanthiifolia (synonym Cyclachaena xanthiifolia) - widespread in United States + Canada, introduced elsewhere

Iva
Iva annua
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Heliantheae
Subtribe:	Ambrosiinae
Genus:	Iva L. 1753 not Fabr. 1759 (Lamiaceae)
Type species
Iva annua L.[1][2]